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| author | David S. Miller <davem@davemloft.net> | 2010-02-06 03:29:48 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-02-06 03:29:48 +0300 |
| commit | 889b8f964f2f226b7cd5a0a515109e3d8d9d1613 (patch) | |
| tree | c576152db1b3ea0b68206393735aec566e9aadf3 /Documentation/networking/packet_mmap.txt | |
| parent | 7aeef972cce30b0ab04047e07918b04d867e7a29 (diff) | |
| download | linux-889b8f964f2f226b7cd5a0a515109e3d8d9d1613.tar.xz | |
packet: Kill CONFIG_PACKET_MMAP.
Early on this was an experimental facility that few
people other than Alexey Kuznetsov played with.
Now it's a pretty fundamental thing and as people add
more features to AF_PACKET sockets this config options
creates ifdef spaghetti.
So kill it off.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/networking/packet_mmap.txt')
| -rw-r--r-- | Documentation/networking/packet_mmap.txt | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/networking/packet_mmap.txt b/Documentation/networking/packet_mmap.txt index a22fd85e3796..09ab0d290326 100644 --- a/Documentation/networking/packet_mmap.txt +++ b/Documentation/networking/packet_mmap.txt @@ -2,7 +2,7 @@ + ABSTRACT -------------------------------------------------------------------------------- -This file documents the CONFIG_PACKET_MMAP option available with the PACKET +This file documents the mmap() facility available with the PACKET socket interface on 2.4 and 2.6 kernels. This type of sockets is used for capture network traffic with utilities like tcpdump or any other that needs raw access to network interface. @@ -44,7 +44,7 @@ enabled. For transmission, check the MTU (Maximum Transmission Unit) used and supported by devices of your network. -------------------------------------------------------------------------------- -+ How to use CONFIG_PACKET_MMAP to improve capture process ++ How to use mmap() to improve capture process -------------------------------------------------------------------------------- From the user standpoint, you should use the higher level libpcap library, which @@ -64,7 +64,7 @@ the low level details or want to improve libpcap by including PACKET_MMAP support. -------------------------------------------------------------------------------- -+ How to use CONFIG_PACKET_MMAP directly to improve capture process ++ How to use mmap() directly to improve capture process -------------------------------------------------------------------------------- From the system calls stand point, the use of PACKET_MMAP involves @@ -105,7 +105,7 @@ also the mapping of the circular buffer in the user process and the use of this buffer. -------------------------------------------------------------------------------- -+ How to use CONFIG_PACKET_MMAP directly to improve transmission process ++ How to use mmap() directly to improve transmission process -------------------------------------------------------------------------------- Transmission process is similar to capture as shown below. |